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ZHUZHOU GEAR CO LTD

Overview
  • Total Patents
    76
  • GoodIP Patent Rank
    21,685
  • Filing trend
    ⇧ 700.0%
About

ZHUZHOU GEAR CO LTD has a total of 76 patent applications. It increased the IP activity by 700.0%. Its first patent ever was published in 2008. It filed its patents most often in China and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets mechanical elements, machine tools and electrical machinery and energy are SEO KANGSOO, WITTKOPP SCOTT H and CAREY CLINTON E.

Patent filings in countries

World map showing ZHUZHOU GEAR CO LTDs patent filings in countries

Patent filings per year

Chart showing ZHUZHOU GEAR CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Xianghuan 14
#2 Liu Ping 12
#3 Chen Guibing 10
#4 Zhang Jinju 8
#5 Li Chao 8
#6 Pan Xiaodong 8
#7 Cao Baoping 8
#8 Shen Hongjun 7
#9 Zhang Lihui 7
#10 Yang Bo 7

Latest patents

Publication Filing date Title
CN112197963A Method and device for rapidly judging efficiency of new energy reducer
CN112253699A Seven-speed double-clutch transmission for commercial vehicle
CN112212001A Gear shifting force pre-compensation correction control method for gear shifting actuator of AMT (automated mechanical transmission)
CN112128358A Internal lubricating oil channel of differential mechanism of gearbox
CN112170985A Centering fastening method and clamp for internal spline gear grinding
CN112013103A Method and structure for removing bolting of transmission lubricating oil guide plate
CN111981113A New energy automobile transmission or power assembly speed reducer lubricating method
CN112036049A Rapid calculation method for time-varying meshing stiffness of bevel gear pair under actual working condition
CN112081899A Method for improving NVH performance of pure electric vehicle drive assembly
CN111946805A Transmission active lubrication housing and transmission lubrication method
CN111922390A Step shaft drilling clamp and step shaft drilling method
CN112065965A Novel method and device for monitoring oil quantity of lubricating oil in speed reducer of speed reduction motor
CN112025207A Machining method for shaft hole of speed reducer shell
CN112065964A Method and tool for oiling reducer of motor reducer all-in-one machine
CN111715921A Method and clamp for radially drilling hole in external spline gear
CN111609119A Method for carrying out splash lubrication on transmission bearing and oil duct structure
CN111594606A Micro-pressure ventilation method and device for achieving micro-pressure dust prevention, pressurization and water prevention of transmission
CN111692308A Method for reducing wear of differential shell
CN111678684A Detection test method for optimal oil injection amount of lubricating oil of to-be-detected electric drive system
CN111688472A Method for determining lubricating oil quantity of oil-cold-electric drive integrated system